①Is this yours? A. They are your sister's.
②What are those? B. Yes, it is.
③Can I help you? C. They're tomatoes.
④Whose shoes are those? D. Yes, please.
⑤How much is that dress? E. Sure, here you are.
⑥Can I try them on? F. It's very nice.
⑦How do you like this shirt? G. It's forty five yuan.